English
pseudorepresentation
From pseudo- + representation.
Formed from pseudo- + representation
Proto-Indo-European *bʰuH- ‘to be, become, grow, appear’
…
Latin repraesentō ‘to show, exhibit, display’
Latin repraesentātiō
Old French representacion
Middle English representacioun
English representation
Today it means
noun Given a group G and a commutative ring R, a tuple of maps (a,d,x), where a,d:G→R and x:GxG→R, are a pseudorepresentation if they satisfy the relations one would expect if a(g) and d(g) were the diagonal entries of a two dimensional representation |a(g)b(g)|\|c(g)d(g)| and if x was given by x(g,g^′)=b(g)c(g^′).
Sources
Sources: Wiktionary, “pseudorepresentation”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.
Etymograph / pseudorepresentation